GM Service Manual Online
For 1990-2009 cars only
  1. Disconnect the cruise control cable at the module and the throttle lever. Refer to Cruise Control Cable Replacement .
  2. Ensure that the cruise control cable moves in and out of the cable casing in the following manner:
  3. • Freely
    • Smoothly
  4. Replace any sticking or binding cables. Refer to Cruise Control Cable Replacement .
  5. Replace any cable that contains an adjuster lock that does not hold under normal operating conditions. Refer to Cruise Control Cable Replacement .